Families brave the rain and visit the graves of their U.S. serviceman and women on Memorial Day at the Houston National Cemetery, Monday, May 26, 2014, in Houston.

Families brave the rain and visit the graves of their U.S. serviceman and women on Memorial Day at the Houston National Cemetery, Monday, May 26, 2014, in Houston.

Photo: Marie D. De Jesus, Houston Chronicle

Families brave the rain and visit the graves of their U.S.... Photo-6357206.86493 - Houston Chronicle

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Mira Martinez of Texas City visits the grave of her brother with her husband Bobby Martinez, left, during Memorial Day. During a prayer, Martinez promised her deceased brother Ricardo L. Serenil that even though their mother has recently passed away, that she will continue the tradition of visiting his grave every year. Serenil died January 5, 1970 during the Vietnam War. Monday, May 26, 2014, in Houston. less

Mira Martinez of Texas City visits the grave of her brother with her husband Bobby Martinez, left, during Memorial Day. During a prayer, Martinez promised her deceased brother Ricardo L. Serenil that even ... more

Photo: Marie D. De Jesus, Houston Chronicle

Mira Martinez of Texas City visits the grave of her brother with... Photo-6357201.86493 - Houston Chronicle

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Arabelle Campbell, 4, a member of the Atascocita Trail Children of the American Revolution participates of the Memorial Day Service presenting a floral wreath with the other members at the Houston National Cemetery, Monday, May 26, 2014, in Houston. less

Arabelle Campbell, 4, a member of the Atascocita Trail Children of the American Revolution participates of the Memorial Day Service presenting a floral wreath with the other members at the Houston National ... more

Photo: Marie D. De Jesus, Houston Chronicle

Arabelle Campbell, 4, a member of the Atascocita Trail Children of... Photo-6357202.86493 - Houston Chronicle

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(left to right) Gloria Sorto, Anthony Hernandez, Matilda Rodas, Carmen Pacheco, Ricardo Lopez, Carlos Sorto and William Sorto, pray at the grave of John Carlos Sorto at the Houston National Cemetery during Memorial Day. Sorto was a U.S Army Sergeant who perished in Arizona after retuning from his third combat tour in Iraq. Monday, May 26, 2014, in Houston. less

(left to right) Gloria Sorto, Anthony Hernandez, Matilda Rodas, Carmen Pacheco, Ricardo Lopez, Carlos Sorto and William Sorto, pray at the grave of John Carlos Sorto at the Houston National Cemetery during ... more

Houston Memorial Cemetery visitors attend the Memorial Day Service, Monday, May 26, 2014, in Houston. During the service, United States servicemen and women were honored with floral wreaths, hymns, and words of inspiration. less

Houston Memorial Cemetery visitors attend the Memorial Day Service, Monday, May 26, 2014, in Houston. During the service, United States servicemen and women were honored with floral wreaths, hymns, and words of ... more

A man shields himself from the rain during a visit to the Houston National Cemetery after the Memorial Day Service, Monday, May 26, 2014, in Houston.

A man shields himself from the rain during a visit to the Houston National Cemetery after the Memorial Day Service, Monday, May 26, 2014, in Houston.

Photo: Marie D. De Jesus, Houston Chronicle

A man shields himself from the rain during a visit to the Houston... Photo-6357215.86493 - Houston Chronicle

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Esther Hord, 7, and her grandfather Larry Hord a Vietnam veteran, visit the Houston National Cemetery to honor the deceased United States servicemen and women during Memorial Day, Monday, May 26, 2014, in Houston. less

Esther Hord, 7, and her grandfather Larry Hord a Vietnam veteran, visit the Houston National Cemetery to honor the deceased United States servicemen and women during Memorial Day, Monday, May 26, 2014, in ... more

Mira Martinez of Texas City visits the grave of her brother with her husband Bobby Martinez, left, during Memorial Day. During a prayer, Martinez promised her deceased brother Ricardo L. Serenil that even though their mother has recently passed away, that she will continue the tradition of visiting his grave every year. Serenil died January 5, 1970 during the Vietnam War. Monday, May 26, 2014, in Houston. less

Mira Martinez of Texas City visits the grave of her brother with her husband Bobby Martinez, left, during Memorial Day. During a prayer, Martinez promised her deceased brother Ricardo L. Serenil that even ... more

Photo: Marie D. De Jesus, Houston Chronicle

Mira Martinez of Texas City visits the grave of her brother with... Photo-6357210.86493 - Houston Chronicle

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Gary White, right, and David LaBrot, both members of the Edward Lea Camp #2 Sons of the Union Veterans of the Civil War place a floral wreath during the Memorial Day Service at the Houston National Cemetery, Monday, May 26, 2014, in Houston. less

Gary White, right, and David LaBrot, both members of the Edward Lea Camp #2 Sons of the Union Veterans of the Civil War place a floral wreath during the Memorial Day Service at the Houston National Cemetery, ... more

Photo: Marie D. De Jesus, Houston Chronicle

Gary White, right, and David LaBrot, both members of the Edward Lea... Photo-6357203.86493 - Houston Chronicle

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Arlene Levine, center, the wife of a retired U.S Navy Captain listens to the speeches by various dignitaries during the Memorial Day Service at the Houston National Cemetery, Monday, May 26, 2014, in Houston.

Arlene Levine, center, the wife of a retired U.S Navy Captain listens to the speeches by various dignitaries during the Memorial Day Service at the Houston National Cemetery, Monday, May 26, 2014, in Houston.

Virginia "Ginny" Evans wears a colonial era costume to the Memorial Day Service at the Houston National Cemetery in remembrance of the American Revolution servicemen and women, Monday, May 26, 2014, in Houston.

Virginia "Ginny" Evans wears a colonial era costume to the Memorial Day Service at the Houston National Cemetery in remembrance of the American Revolution servicemen and women, Monday, May 26, 2014, in Houston.

Shawn Boiles, from right, of Colorado Springs, his wife, Michelle, and their son, Brandon, 15, take in the sights and sounds while listening to The Buck Yeager Band during the Memorial Day Weekend Celebration at Town Green Park in The Woodlands on May 25th. less

Shawn Boiles, from right, of Colorado Springs, his wife, Michelle, and their son, Brandon, 15, take in the sights and sounds while listening to The Buck Yeager Band during the Memorial Day Weekend Celebration ... more

Steven Ortega, center, of Houston (77055), with his girlfriend, Priscilla Hinojosa, of The Woodlands, and her family members Enrique, from left, Mariana, Irasema, and Fatima, take in the sights and sounds while listening to The Buck Yeager Band during the Memorial Day Weekend Celebration at Town Green Park in The Woodlands on May 25th. less

Steven Ortega, center, of Houston (77055), with his girlfriend, Priscilla Hinojosa, of The Woodlands, and her family members Enrique, from left, Mariana, Irasema, and Fatima, take in the sights and sounds while ... more

World War II veteran William Jackson,left, Korean War veteran Joe Romano, center, and WWII veteran Aron Seibel, right, salute during the Presentation of Colors during Sugar Land's 6th Annual Memorial Day ... more

With American flags in the background, students make their way to their respective buses after the final bell, Monday, May 26, 2014, at Bellaire Senior High School in Bellaire, Texas. HISD held one of its ... more